Regina has collected 125 seashells she gives her little brother Chris 53 seashells Regina wants to put her remaining seashells i
1 answer:
Answer:
She will need 8 boxes.
Step-by-step explanation:
Given that,
Total no of seashells = 125
She gives her little brother Chris 53 seashells.
Remaining seashells = 125 - 53
= 72
Regina wants to put her remaining seashells in Little Boxes. There will be 9 seashells in each box.
No of boxes needed = remaining seashells/total no of seashells in each box
Hence, she will need 8 boxes.
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Given the triangle
PQR
with points
P(8,0)
Q(6,2)
R(-2,-4)
And the triangle
P'Q'R'
with points
P'(4,0)
Q'(3,1)
R'(-1,-2)
Part A. Scale factor
Using the vertex
P( 8, 0)
P'(4,0)
the dilatation factor is given by
The triangle has a dilatation factor of 1/2
Part B:
P''Q''R'' after using P'Q'R' reflected about the y axis
to make a reflection over the y axis
coordinates (x,y) turn into coordinates (-x,y)
as follows
Then triangle P''Q''R'' has coordinates
P''(-4,0)
Q''(-3,1)
R''(1,-2)
Part C:
PQR is congruent to P''Q''R''?
Congruent triangles are triangles that have the same size and shape. This means that the corresponding sides are equal and the corresponding angles are equal.
Then the triangles are not congruent
